/* 
* Copyright 2014 Frank Asseg
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*    http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License. 
*/
package org.l2jmobius.gameserver.util.exp4j;

import java.util.List;

/**
 * Contains the validation result for a given {@link Expression}
 */
public class ValidationResult
{
	private final boolean valid;
	private final List<String> errors;
	
	/**
	 * Create a new instance
	 * @param valid Whether the validation of the expression was successful
	 * @param errors The list of errors returned if the validation was unsuccessful
	 */
	public ValidationResult(boolean valid, List<String> errors)
	{
		this.valid = valid;
		this.errors = errors;
	}
	
	/**
	 * Check if an expression has been validated successfully
	 * @return true if the validation was successful, false otherwise
	 */
	public boolean isValid()
	{
		return valid;
	}
	
	/**
	 * Get the list of errors describing the issues while validating the expression
	 * @return The List of errors
	 */
	public List<String> getErrors()
	{
		return errors;
	}
	
	/**
	 * A static class representing a successful validation result
	 */
	public static final ValidationResult SUCCESS = new ValidationResult(true, null);
}
